Home / 317,651.95-438,382.70-210,035.35

Finding the Fourth Proportional to 317,651.95, 438,382.70 and 210,035.35

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Solution

The fourth proportional to 317,651.95, 438,382.70 and 210,035.35 is: 289,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,651.95 : 438,382.70 = 210,035.35 : x
  2. Step 2: Convert to fraction form
    317,651.95/438,382.70 = 210,035.35/x
  3. Step 3: Cross multiply
    317,651.95x = 438,382.70 × 210,035.35
  4. Step 4: Simplify right side
    317,651.95x = 92,075,863,828.45
  5. Step 5: Solve for x
    x = 92,075,863,828.45/317,651.95
  6. Step 6: Final answer
    x = 289,864.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.